Simply place the tool or object you want to magnetize inside the coil and briefly press S1. The generated single polarity field should magnetize the object if the material it is made to allow.
This circuit, which can be used as a shield for microcontrollers, provides 50% active cycle output...
We found this circuit in a 1968 General Electric publication. The circuit uses an SCR of the time,...
This circuit allows the division of the frequency generated by an oscillator with the 4069 by two,...